1330030421 has 2 divisors, whose sum is σ = 1330030422. Its totient is φ = 1330030420.

The previous prime is 1330030409. The next prime is 1330030423. The reversal of 1330030421 is 1240300331.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 830016100 + 500014321 = 28810^2 + 22361^2 .

It is a cyclic number.

It is not a de Polignac number, because 1330030421 - 2¹⁸ = 1329768277 is a prime.

Together with 1330030423, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1330030421.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1330030423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 665015210 + 665015211.

It is an arithmetic number, because the mean of its divisors is an integer number (665015211).

Almost surely, 2^1330030421 is an apocalyptic number.

It is an amenable number.

1330030421 is a deficient number, since it is larger than the sum of its proper divisors (1).

1330030421 is an equidigital number, since it uses as much as digits as its factorization.

1330030421 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 1330030421 is about 36469.5821336083. The cubic root of 1330030421 is about 1099.7328334633.

Adding to 1330030421 its reverse (1240300331), we get a palindrome (2570330752).

The spelling of 1330030421 in words is "one billion, three hundred thirty million, thirty thousand, four hundred twenty-one".